You don't flip; you cross multiply proportions
There are two changes of sign, so there are 2 or 0 possible positive roots.
There are two changes of sign, so there are 2 or 0 possible negative roots.
There are 4,2 or 0 possible non-real roots.
Answer:
II and III ( 2 and 3)
Step-by-step explanation:
The quadrants are numbered counter clockwise, with the top right being number I
II I
III IV
The ones having negative x values are II and III ( 2 and 3)
Answer:
B
Step-by-step explanation:
Answer: x=-1 is the answer
Step-by-step explanation: